Jonathan Sims, Head Archivist

When Jonathan Sims enters the battlefield and at the beginning of your upkeep, surveil 1.
Whenever one or more creature cards are put into
your graveyard from your library, investigate
(Create a Clue token. Its an artifact with {2},
Sacrifice this artifact: Draw a card.)
{p/b}{p/b}, Sacrifice a Clue: Return Jonathan Sims from
your graveyard to the battlefield, transformed.